2243141021 has 8 divisors (see below), whose sum is σ = 2513200224. Its totient is φ = 1984104720.

The previous prime is 2243141003. The next prime is 2243141023. The reversal of 2243141021 is 1201413422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243141021 - 2⁶ = 2243140957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243140984 and 2243141002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243141023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755295 + ... + 2756108.

It is an arithmetic number, because the mean of its divisors is an integer number (314150028).

Almost surely, 2^2243141021 is an apocalyptic number.

It is an amenable number.

2243141021 is a deficient number, since it is larger than the sum of its proper divisors (270059203).

2243141021 is a wasteful number, since it uses less digits than its factorization.

2243141021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511451.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2243141021 is about 47361.8097310481. The cubic root of 2243141021 is about 1309.0378151036.

Adding to 2243141021 its reverse (1201413422), we get a palindrome (3444554443).

The spelling of 2243141021 in words is "two billion, two hundred forty-three million, one hundred forty-one thousand, twenty-one".